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Performance Test of Liquid Cooling Type Cold Plates for Robot Cooling  

Lee, Suk-Won (Graduated School of Mechanical Information Engineering, University of Seoul)
Karng, Sarng-Woo (Energy Mechanics Research Center, Korea Institute of Science and Technology)
Hwang, Kyu-Dae (Department of Industrial Japanese, Yuhan College)
Kim, Seo-Young (Energy Mechanics Research Center, Korea Institute of Science and Technology)
Rhee, Gwang-Hoon (Department of Mechanical and Information Engineering, University of Seoul)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.20, no.3, 2008 , pp. 189-196 More about this Journal
Abstract
The increase of system weight due to installation of cooling devices adds electrical and mechanical loads of humanoid robot, and in return, results in much heat. Therefore, the weight of cooling system is a critical issue for robot cooling. In this study, we propose non-metallic cold plates to deal with such problems. We compare thermal performances between one metallic cold plate and five different types of non-metallic cold plates. A metallic cold plate is totally made of copper. Five non-metallic PC(polycarbonate) cold plates, which are designed to reduce the overall weight of robot cooling system, are composed of a polycarbonate cover with different types of base plate. The overall heat transfer coefficients per unit mass and thermal resistances are obtained for the cold plates. The metallic cold plate shows the best thermal performance. It is interesting to note that the PC cold plate with an aluminum base plate with 18 channels shows the best overall heat transfer coefficient per unit mass. Most polycarbonate cold plates display fairly comparable thermal performance with more reduced system weight compared to the metallic cold plate.
Keywords
Thermal resistance; Overall heat transfer coefficient; Cold plate; Liquid cooling; Robot cooling;
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